Quite a few years ago, we wrote about Project Overlord, a secret effort by Harley Davidson to develop a whole family of motorcycles designed around a brand new V4 engine. From the look of the 3D model of one of the planned bikes it would have been a radical departure from anything the Motor Company had produced up to that point. The project was killed under Keith Wandell's … [Read more...]
Fascinating Motorcycle Design Similarities
Digging through The Kneeslider archives while looking for something else, I came across an article you may remember about Lotus Motorcycles. Daniel Simon, a digital artist who does absolutely stunning work, created the design and it was written about all over the web at the time, around 2013 or so. Unlike many design concepts, some of these were actually built and I found one … [Read more...]
The Two Stroke Dirt Bike Engine Building Handbook
If you're a longtime reader of The Kneeslider, you may remember a review several years ago of The Four Stroke Dirt Bike Engine Building Handbook by Paul Olesen. It's a great book if you're planning to dig into any four stroke motorcycle engine, not just one from a dirt bike. Well, since I just showed you the Rimar 2 stroke project, I thought it might be helpful for those of you … [Read more...]
Rimar Motors 600cc 2 Stroke V-Twin Project
Rimar Motors, in the Netherlands, is in the advanced stages of machining and assembling a 600cc 2 stroke, V-twin engine, designed to be installed in a 2004 Aprilia RSV1000R frame. The project has been going on for about a year and they've put up detailed photos of the entire process. The engine uses reed valves and two counter-rotating crankshafts. Cylinders come from a … [Read more...]
Gasoline for the Win – Electric Power Struggles to Catch Up
After the previous half dozen articles on electric powered motorcycles and bicycles, it might appear that I've become an advocate for electric power in all vehicles, all the time and it isn't true. I've looked at the pros and cons, the current electric technology and the various use cases for batteries in place of gas tanks and in my view, gasoline is the better choice now and … [Read more...]
An Early Skirmish in the Upcoming Motorcycle Wars – Brough Superior Versus Curtiss
The sound of distant guns signals the approaching battle, it's not fully upon us just yet, but it soon will be. Two combatants in the high end luxury motorcycle market carry opposing flags, the reborn Brough Superior enters the fray armed with V-Twin rumble while the rebel entrant, Curtiss, packs electric power. While this particular battle between high priced, low volume … [Read more...]
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